diff --git a/gitea-to-ics.py b/gitea-to-ics.py
index e10d868..6386135 100644
--- a/gitea-to-ics.py
+++ b/gitea-to-ics.py
@@ -62,6 +62,8 @@ class Root:
                 'Basic realm="ICS access"'
         cherrypy.response.headers['Content-Type'] = \
                 'text/calendar'
+        cherrypy.response.headers['Content-Disposition'] = \
+                'attachment; filename="Gitea TODO.ics"'
         authorization = cherrypy.request.headers.get('Authorization', ':')
         if not authorization:
             raise cherrypy.HTTPError(401, 'Unauthorized')